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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2556611130

Certificate GIA 2556611130

Diamond specifications and retailer prices

From €3,290 EUR
$3,676 USD
As of October 30, 2026
Save €3,900 EUR (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €7,190 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556611130. Listed at 21 retailers as of October 30, 2026, with prices from €3,290 to €7,190, a €3,900 spread on the same certified stone. NZ Jewellers lists it at €7,190. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556611130
Dimensions10.54 × 5.57 × 3.52 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
10.54 mm5.57 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556611130
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €7,190 EUR|Low: €2,536 EUR|High: €7,190 EUR|Avg: €3,774 EUR|+17.1%
NZ Jewellers
Retailer 2
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Retailer 28
October 30, 2026
Retailer 20€2,536 EUR
Retailer 16€2,674 EUR
Retailer 22€3,290 EUR
Retailer 2€3,341 EUR
Retailer 28€3,511 EUR
Retailer 5€3,554 EUR
Retailer 15€3,719 EUR
Retailer 23€3,724 EUR
Retailer 4€3,739 EUR
Retailer 6€3,739 EUR
Retailer 10€3,739 EUR
Retailer 21€3,750 EUR
Retailer 24€3,779 EUR
Retailer 14€3,792 EUR
Retailer 7€3,922 EUR
Retailer 8€3,968 EUR
Retailer 26€4,038 EUR
Retailer 19€4,050 EUR
Retailer 27€4,104 EUR
Retailer 11€4,216 EUR
Retailer 13€4,216 EUR
Retailer 17€4,222 EUR
Retailer 3€4,312 EUR
Retailer 25€4,350 EUR
Retailer 12€4,358 EUR
Retailer 9€4,667 EUR
Retailer 18€5,933 EUR
NZ Jewellers€7,190 EUR

14 data points across 28 retailers

21 retailers€3,290 EUR to €7,190 EUR

B+
Cheapest Retailer
-
€3,290 EUR
$3,676 USD
B
Retailer 2
-
€3,341 EUR
$3,733 USD
View
B
Retailer 3
-
€3,511 EUR
$3,923 USD
View
B
Retailer 4
-
€3,554 EUR
$3,970 USD
View
Retailer 5
-
€3,719 EUR
A$6,392 AUD
View
Price last confirmed 35 days ago
B
Retailer 6
-
€3,724 EUR
$4,160 USD
View
B
Retailer 7
-
€3,739 EUR
$4,177 USD
View
B
Retailer 8
-
€3,739 EUR
$4,177 USD
View
B
Retailer 9
-
€3,779 EUR
CA$5,863 CAD
View
B
Retailer 10
-
€3,922 EUR
$4,382 USD
View
B
Retailer 11
-
€3,968 EUR
$4,433 USD
View
B
Retailer 12
-
€4,038 EUR
£3,552 GBP
View
Retailer 13
-
€4,050 EUR
$4,525 USD
View
Price last confirmed 38 days ago
B
Retailer 14
-
€4,104 EUR
£3,610 GBP
View
B
Retailer 15
-
€4,201 EUR
$4,693 USD
View
B
Retailer 16
-
€4,216 EUR
$4,710 USD
View
B
Retailer 17
-
€4,216 EUR
$4,710 USD
View
B
Retailer 18
-
€4,312 EUR
$4,817 USD
View
B
Retailer 19
-
€4,350 EUR
$4,860 USD
View
B
Retailer 20
-
€4,358 EUR
$4,869 USD
View
Most Expensive
B
NZ Jewellers
37847300-0b2d-4569-b8cc-9f53c7a5744a · Oct 30
€7,190 EUR
$8,033 USD
View
20 more retailers have this diamond
Prices start from €3,290 EURSave up to €3,900 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.20ct Marquise
€3,290 EUR